Home / 18,395,215,998.40-27,592,823,997.60-5,309,439,716.80

Finding the Fourth Proportional to 18,395,215,998.40, 27,592,823,997.60 and 5,309,439,716.80

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Solution

The fourth proportional to 18,395,215,998.40, 27,592,823,997.60 and 5,309,439,716.80 is: 7,964,159,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395,215,998.40 : 27,592,823,997.60 = 5,309,439,716.80 : x
  2. Step 2: Convert to fraction form
    18,395,215,998.40/27,592,823,997.60 = 5,309,439,716.80/x
  3. Step 3: Cross multiply
    18,395,215,998.40x = 27,592,823,997.60 × 5,309,439,716.80
  4. Step 4: Simplify right side
    18,395,215,998.40x = 146,502,435,631,529,590,784
  5. Step 5: Solve for x
    x = 146,502,435,631,529,590,784/18,395,215,998.40
  6. Step 6: Final answer
    x = 7,964,159,575.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.